let max=Number.MAX_VALUE;
let min=Number.MIN_VALUE;
let a=-10/0;
let b=1.80e308;
let c='a1a23';
console.log(max);
console.log(min);
console.log(a);
console.log(b);
console.log(Number.parseInt(c));

let aa=1234;
let bb=Symbol(aa);
let cc=Symbol(aa);
//Object的定义
let student={
    stuId:1,
    stuName:"张三",
    stuAge:20,
    stuAddr:'湖南湘潭',
    show:function(){
        console.log("student对象的show()方法")
    }
}
console.log(typeof aa);
console.log(typeof bb);
console.log(aa==bb);
console.log(bb==cc);
console.log(student);
console.log(typeof student);

